______ is very good exercise for the mothers-to-be.
(A) Swimming (B) To swim (C) Go swimming (D) Swim
答案是A,想知道B為什麼不行,不是toV也可以當主詞
A strong man with a gun was seen ______ Mr. Wang’s house. That man must
have been a
robber.
(A) to enter (B) enter (C) entering (D) to entering
答案是A想知道C可以選嗎
因為手邊上面資料寫S+be+seen/heard+to V /Ving,那其他的感官動詞是否也有這個用法
Tolkien’s famous series of novels, The Lord of the Rings, ______ by people
all over the
world.
(A) read (B) reading (C) is being read (D) has been read
答案是D
想知道A為什不能選,空格變成 which are read簡化後剩read這樣可以嗎?
還有確認關代和beV省略的確切用法
謝謝